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8 results on '"Steven, Peter M."'

1. Technical Note: Gray tracking in medical color displays-A report of Task Group 196

Author

Badano, Aldo, Wang, Joel, Boynton, Paul, Le Callet, Patrick, Cheng, Wei-Chung, Deroo, Danny, Flynn, Michael J., Matsui, Takashi, Penczek, John, Revie, Craig, Samei, Ehsan, Steven, Peter M., Swiderski, Stan, Van Hoey, Gert, Yamaguchi, Matsuhiro, Hasegawa, Mikio, Nagy, Balázs Vince, U.S. Food and Drug Administration (FDA), National Institute of Standards and Technology [Gaithersburg] (NIST), irccyn-ivc, Institut de Recherche en Communications et en Cybernétique de Nantes (IRCCyN), Mines Nantes (Mines Nantes)-École Centrale de Nantes (ECN)-Ecole Polytechnique de l'Université de Nantes (EPUN), Université de Nantes (UN)-Université de Nantes (UN)-PRES Université Nantes Angers Le Mans (UNAM)-Centre National de la Recherche Scientifique (CNRS)-Mines Nantes (Mines Nantes)-École Centrale de Nantes (ECN)-Ecole Polytechnique de l'Université de Nantes (EPUN), Université de Nantes (UN)-Université de Nantes (UN)-PRES Université Nantes Angers Le Mans (UNAM)-Centre National de la Recherche Scientifique (CNRS), Barco, Henry Ford Health System, Emergo, FFEI Limited, Duke University [Durham], Tokyo Institute of Technology [Tokyo] (TITECH), and University of São Paulo (USP)

Subjects
[INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2016
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8. Technical Note: Gray tracking in medical color displays-A report of Task Group 196.

Author

Badano A, Wang J, Boynton P, Le Callet P, Cheng WC, Deroo D, Flynn MJ, Matsui T, Penczek J, Revie C, Samei E, Steven PM, Swiderski S, Van Hoey G, Yamaguchi M, Hasegawa M, and Nagy BV

Subjects
Algorithms, Computers, Diagnostic Imaging economics, Color, Data Display, Diagnostic Imaging instrumentation, Diagnostic Imaging methods
Abstract

Purpose: The authors discuss measurement methods and instrumentation useful for the characterization of the gray tracking performance of medical color monitors for diagnostic applications. The authors define gray tracking as the variability in the chromaticity of the gray levels in a color monitor., Methods: The authors present data regarding the capability of color measurement instruments with respect to their abilities to measure a target white point corresponding to the CIE Standard Illuminant D65 at different luminance values within the grayscale palette of a medical display. The authors then discuss evidence of significant differences in performance among color measurement instruments currently available for medical physicists to perform calibrations and image quality checks for the consistent representation of color in medical displays. In addition, the authors introduce two metrics for quantifying grayscale chromaticity consistency of gray tracking., Results: The authors' findings show that there is an order of magnitude difference in the accuracy of field and reference instruments. The gray tracking metrics quantify how close the grayscale chromaticity is to the chromaticity of the full white point (equal amounts of red, green, and blue at maximum level) or to consecutive levels (equal values for red, green, and blue), with a lower value representing an improved grayscale tracking performance. An illustrative example of how to calculate and report the gray tracking performance according to the Task Group definitions is provided., Conclusions: The authors' proposed methodology for characterizing the grayscale degradation in chromaticity for color monitors that can be used to establish standards and procedures aiding in the quality control testing of color displays and color measurement instrumentation.

Published
2016
Full Text
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